Light therapy lamps are often held up as the answer to seasonal affective disorder (SAD). But how do they work? And what do you need to know before you invest in one? We asked an expert to explain ...

it is helpful to understand how and why they work and what features to look for when making a purchase. To fully comprehend ...

Exposure to sunshine improves mood as it increases serotonin levels in the brain - serotonin is the hormone that can help you feel calmer and less anxious - but can 'fake sunshine' do this ... SAD ...

Seasonal affective disorder affects 0.5-3% of the world’s population which is a substantial number of people suffering when ...

Sliced Bread is testing more of your suggested wonder products to see if their bold claims stand up to scrutiny. Longer nights and overcast days can lead to the 'winter blues' for many and, for ...

Almost all SAD lamps offer an intensity of 10,000 lux, but they do it over different distances ... within arm's reach of where you like to work, read or watch TV. If you've been diagnosed with ...